首先导入#import "WebViewJavascriptBridge.h"文件第一步：开启日志 // 开启日志，方便调试[WebViewJavascriptBridge enableLogging]; 第二步：给ObjC与JS建立桥梁 // 给哪个webview建立JS与OjbC的沟通桥梁self.bridge = [WebViewJavascriptBridgebridgeForWebView:webView]; // 设置代理，如果不需要实现，可以不设置[self.bridgesetWebViewDelegate:self]; 第三步：注册HandleName，用于给JS端调用iOS端 // JS主动调用OjbC的方法// 这是JS会调用getUserIdFromObjC方法，这是OC注册给JS调用的// JS需要回调，当然JS也可以传参数过来。data就是JS所传的参数，不一定需要传// OC端通过responseCallback回调JS端，JS就可以得到所需要的数据[self.bridgeregisterHandler:@"getUserIdFromObjC"handler:^(id data, WVJBResponseCallback responseCallback) {    NSLog(@"js call getUserIdFromObjC, data from js is %@", data);    if (responseCallback) {      // 反馈给JS      responseCallback(@{@"userId": @"123456"});    }}];  [self.bridgeregisterHandler:@"getBlogNameFromObjC"handler:^(id data, WVJBResponseCallback responseCallback) {    NSLog(@"js call getBlogNameFromObjC, data from js is %@", data);    if (responseCallback) {      // 反馈给JS      responseCallback(@{@"blogName": @"星仔"});    }}]; 第四步：直接调用JS端注册的HandleName [self.bridgecallHandler:@"getUserInfos"data:@{@"name": @"ddsds"}responseCallback:^(id responseData) {    NSLog(@"from js: %@", responseData);}];

    <script>      window.onerror = function(err) {        log(‘window.onerror: ‘ + err)      }          /*这段代码是固定的，必须要放到js中*/      function setupWebViewJavascriptBridge(callback) {        if (window.WebViewJavascriptBridge) { return callback(WebViewJavascriptBridge); }        if (window.WVJBCallbacks) { return window.WVJBCallbacks.push(callback); }        window.WVJBCallbacks = [callback];        var WVJBIframe = document.createElement(‘iframe‘);        WVJBIframe.style.display = ‘none‘;        WVJBIframe.src = ‘wvjbscheme://__BRIDGE_LOADED__‘;        document.documentElement.appendChild(WVJBIframe);        setTimeout(function() { document.documentElement.removeChild(WVJBIframe) }, 0)      }          /*与OC交互的所有JS方法都要放在此处注册，才能调用通过JS调用OC或者让OC调用这里的JS*/      setupWebViewJavascriptBridge(function(bridge) {       var uniqueId = 1       function log(message, data) {         var log = document.getElementById(‘log‘)         var el = document.createElement(‘div‘)         el.className = ‘logLine‘         el.innerHTML = uniqueId++ + ‘. ‘ + message + ‘:<br/>‘ + JSON.stringify(data)         if (log.children.length) {            log.insertBefore(el, log.children[0])         } else {           log.appendChild(el)         }       }       /* Initialize your app here */              /*我们在这注册一个js调用OC的方法，不带参数，且不用ObjC端反馈结果给JS：打开本demo对应的博文*/     bridge.registerHandler(‘openWebviewBridgeArticle‘, function() {         log("openWebviewBridgeArticle was called with by ObjC")     })      /*JS给ObjC提供公开的API，在ObjC端可以手动调用JS的这个API。接收ObjC传过来的参数，且可以回调ObjC*/-      bridge.registerHandler(‘token‘, function(data, responseCallback) {         log("G星爷: ", data)       responseCallback({这里给我返回拼接后的地址})     })      /*JS给ObjC提供公开的API，ObjC端通过注册，就可以在JS端调用此API时，得到回调。ObjC端可以在处理完成后，反馈给JS，这样写就是在载入页面完成时就先调用*/       bridge.callHandler(‘getUserIdFromObjC‘, function(responseData) {        log("JS call ObjC‘s getUserIdFromObjC function, and js received response:", responseData)      })       document.getElementById(‘blogIds‘).onclick = function (e) {         log(‘js call objc: getBlogNameFromObjC‘)         bridge.callHandler(‘ww‘, {‘blogdURL‘: ‘weidsfdl‘}, function(response) {                          log(‘JS got response‘, response)                          })       }     })           </script>

- (void)webViewDidFinishLoad:(UIWebView *)webView{    // 禁用 页面元素选择    [webView stringByEvaluatingJavaScriptFromString:@"document.documentElement.style.webkitUserSelect=‘none‘;"];    //     禁用 长按弹出ActionSheet    [webView stringByEvaluatingJavaScriptFromString:@"document.documentElement.style.webkitTouchCallout=‘none‘;"];}